protected override async Task ExecuteAsync(CancellationToken stoppingToken)
{
try
{
while (!stoppingToken.IsCancellationRequested)
{
var forecast = await _weatherApiClient.GetWeatherForecastAsync(stoppingToken);
if (forecast is object)
{
var currentWeather = new CurrentWeatherResult {
Description = forecast.Weather.Description
};
var cacheKey = $"current_weather_{DateTime.UtcNow:yyyy_MM_dd}";
_logger.LogInformation("Updating weather in cache.");
await _cache.SetAsync(cacheKey, currentWeather, _minutesToCache);
}
await Task.Delay(TimeSpan.FromSeconds(_refreshIntervalInSeconds), stoppingToken);
}
}
catch (OperationCanceledException)
{
// swallow
}
catch (Exception ex)
{
_logger.LogError(ex, "An exception occurred when populating the cache");
}
}
public async Task <CurrentWeatherResult> GetCurrentWeatherAsync()
{
var currentWeather = await _weatherApiClient.GetWeatherForecastAsync();
var result = new CurrentWeatherResult
{
Description = currentWeather.Weather.Description
};
return(result);
}